【正文】
選B。26.The number of the volunteers in our city ____3,000. And fifty percent of them ____ students.A.is, is B.a(chǎn)re, is C.is, are【答案】C【解析】句意“我們城市志愿者的數(shù)量是3000人,其中50%是學(xué)生”?!皌he number of+主語”,表示“……的數(shù)量”,謂語動詞用單數(shù),排除B。百分?jǐn)?shù)做主語時,謂語要和百分?jǐn)?shù)后的名詞或代詞保持一致,此處為them,用復(fù)數(shù),故選C。點睛:a number of(大量的)+名詞復(fù)數(shù)+復(fù)數(shù)謂語;the number of(……的數(shù)量) +名詞復(fù)數(shù)+單數(shù)謂語27.______of the students in our class ______ going to the summer camp in Beijing next week.A.Twofifths, are B.Secondfifths, areC.Twofifths, is D.Secondfifths, is【答案】A【解析】句意:我們班五分之二的學(xué)生將要去下周在北京的夏令營。分?jǐn)?shù)的表達方式是:用基數(shù)詞+序數(shù)詞表示,如果分子大于1,分母則要用復(fù)數(shù)形式,所以Twofifths是正確的表達方式,分?jǐn)?shù)引導(dǎo)的短語作主語,其謂語動詞的數(shù)應(yīng)根據(jù)分?jǐn)?shù)后面的名詞students來確定。所以選用be動詞的復(fù)數(shù)形式,故選A。點睛:全面總結(jié)一下分?jǐn)?shù)的表達方式:首先,分?jǐn)?shù)是由基數(shù)詞和序數(shù)詞構(gòu)成——分子用基數(shù)詞,分母用序數(shù)詞,分子超過“1”時,分母用復(fù)數(shù)。1/4 可寫作a [one] fourth,也可寫作 a [one] quarter,分?jǐn)?shù)引導(dǎo)的短語作主語,其謂語動詞的數(shù)應(yīng)根據(jù)分?jǐn)?shù)后面的名詞來確定。28.Neither Amy nor her parents ______ to Australia, but _______ of them know Australian customs very well.A.have been, all B.have been, both C.has been, neither D.has been, none【答案】B【解析】句意:艾米和她的父母都沒去過澳大利亞,但他們都很了解澳大利亞的風(fēng)俗習(xí)慣。考查動詞時態(tài)和不定代詞辨析題。Neither A nor B,表示兩者都沒有/都不,遵循就近原則;空格前面的parents(父母)是復(fù)數(shù)形式,不可用has,可排除CD兩項。all全都;both兩者都,Amy和her parents是兩個方面,需用both。根據(jù)句意語境,可知選B。29.Where is Mr. Wang?He together with his students _______ Haibin Park.A.have gone to B.has gone to C.has been to D.have been to【答案】B【解析】【詳解】句意“王先生去哪里了?他和他的學(xué)生去了海濱公園”。have been to去了某地(回來了),have gone to去了某地(還未回來),根據(jù)Where is Mr. Wang可知,還未回來,排除C和D。且當(dāng)together with連接兩個主語時,謂語動詞要和最前面的主語保持一致,故選B。【點睛】主語后有with, along, like, except, besides, but, including, together with, as well as等引導(dǎo)的名詞或代詞時,謂語動詞與前面的主語保持一致,即“就前原則”。30.The plan they are talking about _________ improving greatly.A.need B.needsC.needing D.needed【答案】B【解析】試題分析:句意為:他們在談?wù)摰挠媱澬枰獦O大地改善。根據(jù)語境可知,這里談?wù)摰氖强陀^事實,應(yīng)用一般現(xiàn)在時。由于句子主語為the plan,屬第三人稱單數(shù),根據(jù)主謂一致原則,故應(yīng)選B。考點:考查主謂一致問題。